Creatin

n.

1.

(Physiol. Chem.) A white, crystalline, nitrogenous substance found abundantly in muscle tissue.

Noun

1.

creatin - an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction Synonyms: creatine

amino acid, aminoalkanoic acid, creatine